What movement does the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 run compared to the POLPORA Zawisza Czarny?

Both watches run automatic movements — the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 uses the Seiko NH34 and the POLPORA Zawisza Czarny uses the Sellita SW295-1.

Side by side

Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338vsPOLPORA POLPORA Zawisza Czarny

Q: Which is cheaper, the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 or the POLPORA Zawisza Czarny?

At MSRP the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 is the cheaper of the two at $429, against $1,790 for the POLPORA Zawisza Czarny — a $1,361 gap before any retailer discounting.

Q: Which is bigger, the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 or the POLPORA Zawisza Czarny?

The Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 wears larger at 42mm versus 40.5mm for the POLPORA Zawisza Czarny — a 1.5mm difference across the dial.

Q: Which has better water resistance, the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 or the POLPORA Zawisza Czarny?

The Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 is rated to 200m versus 50m for the POLPORA Zawisza Czarny.

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338

islander-jfk-automatic-gmt-watch-with-batman-dial-isl-338

MSRP $429

POLPORA POLPORA Zawisza Czarny

zawisza-czarny

MSRP $1,790

At a glance

16 of 29 specs differ

Diameter

Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm

POLPORA Zawisza Czarny40.5mm

Power Reserve

Islander JFK Automatic GMT Watch with Batman Dial #ISL-338—

POLPORA Zawisza Czarny40h

Water Resistance

Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m

POLPORA Zawisza Czarny50m

MSRP

Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429

POLPORA Zawisza Czarny$1,790

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Domed

Flat

AR Coating

Underside

Inner

Dial Color

—

Black

Indices

—

Applied

Movement

4 specs

Caliber

Seiko NH34

Sellita SW295-1

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$429

$1,790

Follow this matchup

Get a note when Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 vs POLPORA Zawisza Czarny gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring